Robotic 3D SQUID imaging system for practical nondestructive evaluation applications
作者： K. Isawa , S. Nakayama , M. Ikeda , S. Takagi , S. Tosaka
DOI: 10.1016/J.PHYSC.2005.08.008
关键词:
摘要: Abstract A robotic three-dimensional (3D) scanning superconducting quantum interference device (SQUID) imaging system was developed for practical nondestructive evaluation (NDE) applications. The major feature of this SQUID–NDE is that the SQUID sensor itself scans in 3D by traveling over surface an object during testing without need magnetic shielding. This consists (i) DC-SQUID gradiometer effective movement sensor, (ii) manipulator utilizing articulated-type robot used industry, (iii) laser charge-coupled-device (CCD) displacement to measure coordinates points on object, and (iv) computer-aided numerical interpolation scheme reconstruction object. applicability NDE demonstrated successfully detecting artificial damage cylindrical-shaped steel tubes.
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